Preoperative NCS did not correlate with DASH and GS. The average NCS scores (DML and SCV) preoperatively/6 months postoperatively were 7.3/5.4 and 27.8/36.7, respectively. On the other hand, the average scores of DASH preoperatively and 6 and 12 months postoperatively were 28.8, 18.3, and 12.2, respectively. The average scores of GS preoperatively and 6 and 12 months postoperatively were 21.3, 22.3, and 22.8, respectively. A receiver operating characteristic curve was utilized to determine the NCS threshold value to predict DASH and GS improvement. The correlation coefficient between NCS and DASH or GS was calculated. Distal motor latency (DML) and sensory conduction velocity (SCV) were the parameters used for NCS. Moreover, NCS was examined preoperatively and 6 months postoperatively. All patients underwent open carpal tunnel release and were examined using the disabilities of the arm, shoulder and hand (DASH) questionnaire and grip strength (GS) preoperatively and 6 and 12 months postoperatively. Of the 85 patients with CTS, 107 hands were analyzed from March 2011 to March 2020. This study aimed to determine whether pre- and postoperative (6 months) NCS could predict patient-oriented and motor outcomes (6 and 12 months postoperatively) in patients with CTS. However, the relationship between pre- and postoperative NCS and clinical outcomes was unclear. Nerve conduction study (NCS) is the only useful test for objective assessment of carpal tunnel syndrome (CTS).

Pain after nerve conduction study